400850216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{82007}}^1$

素因数の和:82073

約数の個数: 32

約数和(自身を含む): 826640640

約数和(自身を除く): 425790424

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4888, 82007, 164014, 328028, 656056, 1066091, 2132182, 3854329, 4264364, 7708658, 8528728, 15417316, 30834632, 50106277, 100212554, 200425108, 400850216]

約数ペア:

[(1, 400850216), (2, 200425108), (4, 100212554), (8, 50106277), (13, 30834632), (26, 15417316), (47, 8528728), (52, 7708658), (94, 4264364), (104, 3854329), (188, 2132182), (376, 1066091), (611, 656056), (1222, 328028), (2444, 164014), (4888, 82007)]